213704556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 544045824

約数和(自身を除く): 330341268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 167, 169, 334, 338, 501, 507, 631, 668, 676, 1002, 1014, 1262, 1893, 2004, 2028, 2171, 2524, 3786, 4342, 6513, 7572, 8203, 8684, 13026, 16406, 24609, 26052, 28223, 32812, 49218, 56446, 84669, 98436, 105377, 106639, 112892, 169338, 210754, 213278, 316131, 319917, 338676, 421508, 426556, 632262, 639834, 1264524, 1279668, 1369901, 2739802, 4109703, 5479604, 8219406, 16438812, 17808713, 35617426, 53426139, 71234852, 106852278, 213704556]

約数ペア:

[(1, 213704556), (2, 106852278), (3, 71234852), (4, 53426139), (6, 35617426), (12, 17808713), (13, 16438812), (26, 8219406), (39, 5479604), (52, 4109703), (78, 2739802), (156, 1369901), (167, 1279668), (169, 1264524), (334, 639834), (338, 632262), (501, 426556), (507, 421508), (631, 338676), (668, 319917), (676, 316131), (1002, 213278), (1014, 210754), (1262, 169338), (1893, 112892), (2004, 106639), (2028, 105377), (2171, 98436), (2524, 84669), (3786, 56446), (4342, 49218), (6513, 32812), (7572, 28223), (8203, 26052), (8684, 24609), (13026, 16406)]